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Product EvaluationF9-5 iPX7 Waterproof Wireless Bluetooth Earphone
Charging voltage: 5v-500ma Earphone speaker: φ 8mm Battery capacity of headset: 50mah Storage box battery capacity: 2000mAh Transmission distance: > 10m Talk time: 4-5 hours Playback time: 4-5 hours Headset charging time: 1 hour Charging time of storage box: 2 hours